<html>
<head>
<title>Bootstrap 实例 - 缩写</title>
<link href="https://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="https://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="https://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script>
</head>
<body>
<abbr title="World Wide Web">WWW</abbr><br>
<abbr title="Real Simple Syndication" class="initialism">RSS</abbr>
</body>
</html>